6a.) You new job pays you $108,600/year. If your old job paid $84,700/year, what is the percent increase for the new job over the old job? (1 mark) 6b.) The population Cuba is projected to decline from 11.3 million to 10.2 million by the end of 2020. What is the percent decrease of this decline? (1 mark) 6c.) You borrow $6000 from a loan shark at 11% simple interest rate for 9 months. How much do you owe at the end of the term? (1 mark) 6d.) You lend out $6200 and get $8525 back after 5 years. What was the simple interest rate on the loan? (1 mark) 6e.) If you wanted to have $3500 in your account after 7 years with 3.5% simple interest rate, how much would you need to start with? (1 mark)